Ford, General Motors — Ford and GM were pressured by President Donald Trump's threat to slap tariffs on Mexican imports. Both Ford and GM have operations in Mexico that could be impacted by such levies. Ford shares declined 2.3% while GM slid 4.3%.

TiVo — TiVo shares jumped 6.5% after the company hiked its full-year 2019 earnings outlook. The company expects adjusted EBITDA to range between $175 million and $185 million. That's up from a range of $172 million and $178 million. TiVo also raised its revenue guidance for the year.

Gap — Gap sank 9.3% after the apparel retailer reported first-quarter earnings that missed estimates. The retailer reported earnings of 24 cents per share, 8 cents below a Refinitiv estimate, and revenues of $3.71 billion, falling $60 million short of estimates. Gap also posted a 4% drop in same-store sales, its biggest in three years.

Dell Technologies — Shares of computer company Dell plummeted more than 10.3% after the company's first-quarter revenue missed expectations. Dell reported revenue of $21.99 billion, missing a Refinitiv estimate of $22.24 billion. The company said it saw demand in China slow down while server sales dropped.